Agro-pedological Assessment of the Traditional Yuanyang Rice Terraces of Yunnan Province, China
云南省元阳县传统水稻梯田的农业土壤评价(英文)作者机构：列日大学让布鲁农业与生物技术学院 云南农业大学昆明650201 伍尔弗汉普顿大学
出 版 物：《Journal of Resources and Ecology》 (资源与生态学报（英文版）)
年 卷 期：2011年第2卷第4期
页 面：353-361页
核心收录：
学科分类：09[农学] 0903[农学-农业资源与环境] 090301[农学-土壤学]
基 金：supported by the National Basic Research Program (No.2011CB100400)
主 题：terraced paddy fields geomorphopedological approach soil fertility diagnosis Yuanyang rice terraces sustainable agriculture
摘 要：As a contribution to a long-term evaluation of the sustainability of agro-ecosystems in the Yuanyang rice terraces, this paper reviews the bio-physical environment of the terraced landscape in a small catchment around Qingkou village and assesses soil fertility in the village crop growing area. A soil- landscape organization pattern was developed using a geomorphopedological approach. Anthropogenic, climatic and topographic factors were identified as the main soil forming factors. Soil capability and associated edaphic constraints were assessed and the main soil types were identified and classified using FAO protocols. Spatial patterns of soil fertility appear quite homogeneous. Soils are acid and cation exchange capacity and nutrient reserves are generally low. The agro-ecosystem has largely been developed by the Hani population. This agro-ecosystem has succeeded in maintaining a relatively dynamic nutrient circulation system. Current research is focusing on： （i） the evaluation of the representativeness of the studied area compared to the whole terraced system in the Yuanyang terraced landscape; （ii） measurements of nutrients flows at the field scale; （iii） the effects of soil properties on crop yields; and （iv） up-scaling field levels results to larger spatial units.
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